diff --git a/gstreamer/detect.py b/gstreamer/detect.py
index a9e446e..662fdf7 100755
--- a/gstreamer/detect.py
+++ b/gstreamer/detect.py
@@ -163,6 +163,11 @@ def main():
     parser.add_argument('--tracker', help='Name of the Object Tracker To be used.',
                         default=None,
                         choices=[None, 'sort'])
+    parser.add_argument('--height', type=int, help='Video height.',
+                        default=480)
+    parser.add_argument('--width', type=int, help='Video width.',
+                        default=640)
+                        
     args = parser.parse_args()
 
     print('Loading {} with {} labels.'.format(args.model, args.labels))
@@ -207,7 +212,7 @@ def user_callback(input_tensor, src_size, inference_box, mot_tracker):
             return generate_svg(src_size, inference_size, inference_box, objs, labels, text_lines, trdata, trackerFlag)
 
     result = gstreamer.run_pipeline(user_callback,
-                                    src_size=(640, 480),
+                                    src_size=(args.width, args.height),
                                     appsink_size=inference_size,
                                     trackerName=args.tracker,
                                     videosrc=args.videosrc,
diff --git a/gstreamer/gstreamer.py b/gstreamer/gstreamer.py
index 13dcd05..63757dc 100755
--- a/gstreamer/gstreamer.py
+++ b/gstreamer/gstreamer.py
@@ -216,7 +216,10 @@ def run_pipeline(user_function,
     else:
         SRC_CAPS = 'video/x-raw,width={width},height={height},framerate=30/1'
     if videosrc.startswith('/dev/video'):
-        PIPELINE = 'v4l2src device=%s ! {src_caps}'%videosrc
+        if videofmt == 'jpeg':
+            PIPELINE = 'v4l2src device=%s ! {src_caps} ! jpegdec ! videoconvert' % videosrc
+        else:
+            PIPELINE = 'v4l2src device=%s ! {src_caps}' % videosrc
     elif videosrc.startswith('http'):
         PIPELINE = 'souphttpsrc location=%s'%videosrc
     elif videosrc.startswith('rtsp'):
diff --git a/gstreamer/install_requirements.sh b/gstreamer/install_requirements.sh
index a2dd91d..3ddf450 100755
--- a/gstreamer/install_requirements.sh
+++ b/gstreamer/install_requirements.sh
@@ -13,18 +13,23 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+if [ "$1" == '-y' ]; then
+    APT_FORCE="-y"
+    IGNORE_SORT="yes"
+fi
+
 if grep -s -q "MX8MQ" /sys/firmware/devicetree/base/model; then
   echo "Installing DevBoard specific dependencies"
   sudo apt-get install -y python3-pip python3-edgetpuvision
   sudo python3 -m pip install svgwrite
 else
   # Install gstreamer 
-  sudo apt-get install -y gstreamer1.0-plugins-bad gstreamer1.0-plugins-good python3-gst-1.0 python3-gi gir1.2-gtk-3.0
+  sudo apt-get install "$APT_FORCE" gstreamer1.0-plugins-bad gstreamer1.0-plugins-good python3-gst-1.0 python3-gi gir1.2-gtk-3.0
   python3 -m pip install svgwrite
 
   if grep -s -q "Raspberry Pi" /sys/firmware/devicetree/base/model; then
     echo "Installing Raspberry Pi specific dependencies"
-    sudo apt-get install python3-rpi.gpio
+    sudo apt-get install "$APT_FORCE" python3-rpi.gpio
     # Add v4l2 video module to kernel
     if ! grep -q "bcm2835-v4l2" /etc/modules; then
       echo bcm2835-v4l2 | sudo tee -a /etc/modules
@@ -50,14 +55,14 @@ echo "Note that the trackers have their own licensing, many of which
 are not Apache. Care should be taken if using a tracker with restrictive
 licenses for end applications."
 
-read -p "Install SORT (GPLv3)? " -n 1 -r
-if [[ $REPLY =~ ^[Yy]$ ]]
+if [ -z "$IGNORE_SORT" ]; then
+    read -p "Install SORT (GPLv3)? " -n 1 -r
+fi
+if [[ "$IGNORE_SORT" = "yes" ]] || [[ "$REPLY" =~ ^[Yy]$ ]]
 then
     wget https://github.com/abewley/sort/archive/master.zip -O sort.zip
     unzip sort.zip -d ../third_party
     rm sort.zip
-    sudo apt install python3-skimage
-    sudo apt install python3-dev
+    sudo apt install "$APT_FORCE" python3-skimage python3-dev
     python3 -m pip install -r requirements_for_sort_tracker.txt
 fi
-echo